Open-ended wrench



FIG. 1 is an isometric view of the open-ended wrench showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an open-ended wrench, as shown and described. 